.banner {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  background: url("../images/103.png") center center no-repeat;
  background-size: cover;
}

.banner-img {
  position: absolute;
  width: 110%;
  height: 100%;
  object-fit: cover;
  left: -5%;
  transform: translateX(0);
  min-width: 105%;
  z-index: 990;
}

.banner-text1 {
  position: absolute;
  top: 31%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 999;
}

.banner-text2 {
  position: absolute;
  top: 48%;
  left: 50%;
  z-index: 999;
  transform: translate(-50%, -50%);
}

.banner-text3 {
  position: absolute;
  top: 76%;
  left: 25%;
  z-index: 999;
}

.banner-text4 {
  position: absolute;
  top: 76%;
  left: 47%;
  z-index: 999;
}

.banner-text5 {
  position: absolute;
  top: 76%;
  left: 68%;
  z-index: 999;
}

.test {
  width: 100%;
  max-width: 906px;
  height: auto;
  position: absolute;
  top: 70%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 999;
  padding: 0 15px;
  box-sizing: border-box;
}
.test .sty-line {
  width: 1px;
  height: 80px;
  background-color: #ffffff;
  opacity: 0.7;
  position: relative;
  top: 35px;
}
.test .feature-img {
  width: 151px;
}
.test .feature-img:nth-child(1) {
  width: 149px;
}
.test .feature-img:nth-child(2) {
  width: 155px;
}
.test .feature-img:hover {
  transition: all 0.3s ease;
  transform: scale(1.2);
  cursor: pointer;
}

.footer-copyright {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.3));
  padding: 10px 0;
  z-index: 9999;
  text-align: center;
}

.copyright-content {
  display: inline-block;
  text-align: center;
  color: #fff;
  font-size: 12px;
}

.copyright-content span {
  display: inline-block;
  margin: 0 15px;
}

.copyright-content a,
.copyright-content p {
  margin: 0 20px;
  display: inline-block;
  color: #fff;
}

.icp-info {
  display: inline-block;
}

.copyrights {
  display: none !important;
}

.wrapper {
  position: relative;
  width: 480px;
  height: 180px;
  list-style: none;
  margin: 5px;
  display: inline-block;
  perspective: 300px;
  background: #000;
  z-index: 1000;
  transform: translate(-50%, -50%);
  left: 50%;
  top: 30%;
}

.picBox {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  transform-style: preserve-3d;
  transform-origin: 50% 50% -90px;
  animation: 200ms ease-out 0ms 1 normal forwards;
}

.show,
.hide {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}
.hide {
  color: #fff;
  background-color: #000;
  text-align: center;
  line-height: 180px;
  transform: translate3d(0, 0, -1px);
  /* 3D空间内移动一个元素的位置 */
}

.in-top .hide,
.out-top .hide {
  transform-origin: 0% 100%;
  transform: translate3d(0, -100%, 0) rotate3d(1, 0, 0, 90deg);
}
.in-top .picBox {
  animation-name: in-top;
  animation-play-state: running;
}
.out-top .picBox {
  animation-name: out-top;
  animation-play-state: running;
}
@keyframes in-top {
  from {
    transform: rotate3d(0, 0, 0, 0deg);
  }
  to {
    transform: rotate3d(-1, 0, 0, 90deg);
  }
}

@keyframes out-top {
  from {
    transform: rotate3d(-1, 0, 0, 90deg);
  }
  to {
    transform: rotate3d(0, 0, 0, 0deg);
  }
}
.in-bottom .hide,
.out-bottom .hide {
  transform-origin: 0% 0%;
  transform: translate3d(0, 100%, 0) rotate3d(-1, 0, 0, 90deg);
}
.in-bottom .picBox {
  animation-name: in-bottom;
  animation-play-state: running;
}
.out-bottom .picBox {
  animation-name: out-bottom;
  animation-play-state: running;
}
@keyframes in-bottom {
  from {
    transform: rotate3d(0, 0, 0, 0deg);
  }
  to {
    transform: rotate3d(1, 0, 0, 90deg);
  }
}
@keyframes out-bottom {
  from {
    transform: rotate3d(1, 0, 0, 90deg);
  }
  to {
    transform: rotate3d(0, 0, 0, 0deg);
  }
}